Home / 18,885.94-26,062.61-10,388.18

Finding the Fourth Proportional to 18,885.94, 26,062.61 and 10,388.18

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Solution

The fourth proportional to 18,885.94, 26,062.61 and 10,388.18 is: 14,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.94 : 26,062.61 = 10,388.18 : x
  2. Step 2: Convert to fraction form
    18,885.94/26,062.61 = 10,388.18/x
  3. Step 3: Cross multiply
    18,885.94x = 26,062.61 × 10,388.18
  4. Step 4: Simplify right side
    18,885.94x = 270,743,097.17
  5. Step 5: Solve for x
    x = 270,743,097.17/18,885.94
  6. Step 6: Final answer
    x = 14,335.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.